+sub _adddxchan
+{
+ my $self = shift;
+ return $self->_addlist('dxchan', @_);
+}
+
+sub _deldxchan
+{
+ my $self = shift;
+ return $self->_dellist('dxchan', @_);
+}
+
+sub _addnode
+{
+ my $self = shift;
+ return $self->_addlist('nodes', @_);
+}
+
+sub _delnode
+{
+ my $self = shift;
+ return $self->_dellist('nodes', @_);
+}
+
+